diff --git a/_kosmorro/__version__.py b/_kosmorro/__version__.py
index 4904588..1c94a34 100644
--- a/_kosmorro/__version__.py
+++ b/_kosmorro/__version__.py
@@ -19,7 +19,7 @@
 __title__ = "kosmorro"
 __description__ = "A program that computes your ephemerides"
 __url__ = "https://kosmorro.space"
-__version__ = '0.10.0'
+__version__ = "0.10.0"
 __author__ = "Jérôme Deuchnord"
 __author_email__ = "jerome@deuchnord.fr"
 __license__ = "AGPL"
diff --git a/_kosmorro/debug.py b/_kosmorro/debug.py
index 72b04c1..f1b18f0 100644
--- a/_kosmorro/debug.py
+++ b/_kosmorro/debug.py
@@ -1,15 +1,16 @@
 #!/usr/bin/env python3
 
-from traceback import print_exc
+from traceback import print_exception
 
 show_debug_messages = False
 
 
-def debug_print(what):
-    if not show_debug_messages:
+def debug_print(what, force: bool = False):
+    if not force and not show_debug_messages:
         return
 
     if isinstance(what, Exception):
-        print_exc(what)
+        print_exception(type(what), value=what, tb=None)
     else:
         print("[DEBUG] %s" % what)
+
diff --git a/_kosmorro/dumper.py b/_kosmorro/dumper.py
index fd426ac..b5c704e 100644
--- a/_kosmorro/dumper.py
+++ b/_kosmorro/dumper.py
@@ -35,7 +35,10 @@ from kosmorrolib.model import ASTERS, MoonPhase
 from .i18n.utils import _, FULL_DATE_FORMAT, SHORT_DATETIME_FORMAT, TIME_FORMAT
 from .i18n import strings
 from .__version__ import __version__ as version
-from .exceptions import CompileError
+from .exceptions import (
+    CompileError,
+    UnavailableFeatureError as KosmorroUnavailableFeatureError,
+)
 from .debug import debug_print
 
 
@@ -474,12 +477,13 @@ class PdfDumper(Dumper):
                 with_colors=self.with_colors,
                 show_graph=self.show_graph,
             )
+
             return self._compile(latex_dumper.to_string())
         except RuntimeError as error:
-            raise UnavailableFeatureError(
+            raise KosmorroUnavailableFeatureError(
                 _(
                     "Building PDF was not possible, because some dependencies are not"
-                    " installed.\nPlease look at the documentation at http://kosmorro.space "
+                    " installed.\nPlease look at the documentation at https://kosmorro.space "
                     "for more information."
                 )
             ) from error
@@ -491,37 +495,48 @@ class PdfDumper(Dumper):
     @staticmethod
     def _compile(latex_input) -> bytes:
         package = str(Path(__file__).parent.absolute()) + "/assets/pdf/kosmorro.sty"
+        timestamp = datetime.datetime.now().strftime("%Y%m%d%H%M%S")
+        current_dir = (
+            os.getcwd()
+        )  # Keep the current directory to return to it after the PDFLaTeX execution
+
+        try:
+            temp_dir = tempfile.mkdtemp()
+
+            shutil.copy(package, temp_dir)
 
-        with tempfile.TemporaryDirectory() as tempdir:
-            timestamp = datetime.datetime.now().strftime("%Y%m%d%H%M%S")
-            shutil.copy(package, tempdir)
+            temp_tex = "%s/%s.tex" % (temp_dir, timestamp)
 
-            with open("%s/%s.tex" % (tempdir, timestamp), "w") as texfile:
-                texfile.write(latex_input)
+            with open(temp_tex, "w") as tex_file:
+                tex_file.write(latex_input)
 
-            os.chdir(tempdir)
+            os.chdir(temp_dir)
             debug_print("LaTeX content:\n%s" % latex_input)
 
-            try:
-                subprocess.run(
-                    ["pdflatex", "-interaction", "nonstopmode", "%s.tex" % timestamp],
-                    capture_output=True,
-                    check=True,
-                )
-            except FileNotFoundError as error:
-                raise RuntimeError("pdflatex is not installed.") from error
-            except subprocess.CalledProcessError as error:
-                with open("/tmp/kosmorro-%s.log" % timestamp, "wb") as file:
-                    file.write(error.stdout)
+            subprocess.run(
+                ["pdflatex", "-interaction", "nonstopmode", "%s.tex" % timestamp],
+                capture_output=True,
+                check=True,
+            )
 
-                raise CompileError(
-                    _(
-                        "An error occurred during the compilation of the PDF.\n"
-                        "Please open an issue at https://github.com/Kosmorro/kosmorro/issues and share "
-                        "the content of the log file at /tmp/kosmorro-%s.log"
-                        % timestamp
-                    )
-                ) from error
+            os.chdir(current_dir)
 
-            with open("%s.pdf" % timestamp, "rb") as pdffile:
+            with open("%s/%s.pdf" % (temp_dir, timestamp), "rb") as pdffile:
                 return bytes(pdffile.read())
+
+        except FileNotFoundError as error:
+            raise KosmorroUnavailableFeatureError(
+                "TeXLive is not installed."
+            ) from error
+
+        except subprocess.CalledProcessError as error:
+            with open("/tmp/kosmorro-%s.log" % timestamp, "wb") as file:
+                file.write(error.stdout)
+
+            raise CompileError(
+                _(
+                    "An error occurred during the compilation of the PDF.\n"
+                    "Please open an issue at https://github.com/Kosmorro/kosmorro/issues and share "
+                    "the content of the log file at /tmp/kosmorro-%s.log" % timestamp
+                )
+            ) from error
diff --git a/_kosmorro/locales/messages.pot b/_kosmorro/locales/messages.pot
index 327e4da..47e3a69 100644
--- a/_kosmorro/locales/messages.pot
+++ b/_kosmorro/locales/messages.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: kosmorro 0.10.0\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2021-05-30 17:22+0200\n"
+"POT-Creation-Date: 2021-06-05 17:59+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -27,84 +27,84 @@ msgid ""
 "offset format."
 msgstr ""
 
-#: _kosmorro/dumper.py:108
+#: _kosmorro/dumper.py:111
 msgid "Expected events:"
 msgstr ""
 
-#: _kosmorro/dumper.py:115
+#: _kosmorro/dumper.py:118
 msgid "Note: All the hours are given in UTC."
 msgstr ""
 
-#: _kosmorro/dumper.py:122
+#: _kosmorro/dumper.py:125
 msgid "Note: All the hours are given in the UTC{offset} timezone."
 msgstr ""
 
-#: _kosmorro/dumper.py:186 _kosmorro/dumper.py:322
+#: _kosmorro/dumper.py:189 _kosmorro/dumper.py:325
 msgid "Object"
 msgstr ""
 
-#: _kosmorro/dumper.py:187 _kosmorro/dumper.py:323
+#: _kosmorro/dumper.py:190 _kosmorro/dumper.py:326
 msgid "Rise time"
 msgstr ""
 
-#: _kosmorro/dumper.py:188 _kosmorro/dumper.py:325
+#: _kosmorro/dumper.py:191 _kosmorro/dumper.py:328
 msgid "Culmination time"
 msgstr ""
 
-#: _kosmorro/dumper.py:189 _kosmorro/dumper.py:327
+#: _kosmorro/dumper.py:192 _kosmorro/dumper.py:330
 msgid "Set time"
 msgstr ""
 
-#: _kosmorro/dumper.py:223
+#: _kosmorro/dumper.py:226
 msgid "Moon phase is unavailable for this date."
 msgstr ""
 
-#: _kosmorro/dumper.py:227 _kosmorro/dumper.py:331
+#: _kosmorro/dumper.py:230 _kosmorro/dumper.py:334
 msgid "Moon phase:"
 msgstr ""
 
-#: _kosmorro/dumper.py:231
+#: _kosmorro/dumper.py:234
 msgid "{next_moon_phase} on {next_moon_phase_date} at {next_moon_phase_time}"
 msgstr ""
 
-#: _kosmorro/dumper.py:295
+#: _kosmorro/dumper.py:298
 msgid "Overview of your sky"
 msgstr ""
 
-#: _kosmorro/dumper.py:303
+#: _kosmorro/dumper.py:306
 msgid ""
 "This document summarizes the ephemerides and the events of {date}. It "
 "aims to help you to prepare your observation session. All the hours are "
 "given in {timezone}."
 msgstr ""
 
-#: _kosmorro/dumper.py:313
+#: _kosmorro/dumper.py:316
 msgid ""
 "Don't forget to check the weather forecast before you go out with your "
 "equipment."
 msgstr ""
 
-#: _kosmorro/dumper.py:320
+#: _kosmorro/dumper.py:323
 msgid "Ephemerides of the day"
 msgstr ""
 
-#: _kosmorro/dumper.py:329
+#: _kosmorro/dumper.py:332
 msgid "hours"
 msgstr ""
 
-#: _kosmorro/dumper.py:336
+#: _kosmorro/dumper.py:339
 msgid "Expected events"
 msgstr ""
 
-#: _kosmorro/dumper.py:480
+#: _kosmorro/dumper.py:484
 msgid ""
 "Building PDF was not possible, because some dependencies are not "
 "installed.\n"
-"Please look at the documentation at http://kosmorro.space for more "
+"Please look at the documentation at https://kosmorro.space for more "
 "information."
 msgstr ""
 
-#: _kosmorro/dumper.py:518
+#: _kosmorro/dumper.py:537
 #, python-format
 msgid ""
 "An error occurred during the compilation of the PDF.\n"