fixed jinja error; see #232

allofphysicsgraph · Aug 29, 2021 · 14496f0 · 14496f0
1 parent 1dcd1e1
commit 14496f0
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Showing 2 changed files with 7 additions and 5 deletions.
diff --git a/v7_pickle_web_interface/flask/common_lib.py b/v7_pickle_web_interface/flask/common_lib.py
@@ -73,7 +73,10 @@ def create_sql_connection(db_file: str):
             # logger.info("[trace end " + trace_id + "]")
             return my_db
         except sqlite3.Error:
-            logger.error("common_lib create_sql_connection sqlite3 connection:"+str(sqlite3.Error))
+            logger.error(
+                "common_lib create_sql_connection sqlite3 connection:"
+                + str(sqlite3.Error)
+            )
             raise Exception(str(sqlite3.Error))
     else:  # file does not exist
         logger.info(db_file + " does not seem to exist; creating it")
@@ -178,14 +181,13 @@ def write_db(path_to_db: str, dat: dict) -> None:
     else:
         raise Exception("no connection to sql database")
 
-    try: # delete whatever is in SQL to prepare for overwriting with SQL
+    try:  # delete whatever is in SQL to prepare for overwriting with SQL
         cur.execute("""drop table data""")
         logger.debug("deleted table from sql")
     except sqlite3.OperationalError as err:
         logger.error("common_lib write_db sqlite3.OperationalError")
         logger.error('Unable to drop "data"; ' + str(err))
 
-
     # table "data" with column "entry"
     cur.execute("""CREATE TABLE data ("entry TEXT NOT NULL")""")
 

diff --git a/v7_pickle_web_interface/flask/templates/central_expressions.html b/v7_pickle_web_interface/flask/templates/central_expressions.html
@@ -299,7 +299,7 @@ <H3>Expressions Central to Physics</H3>
         </UL>
       </td> <!-- description -->
     </tr><tr>
-      <td>\( \frac{\Delta p}{L} = f_\mathrm{D} \cdot \frac{\rho }{2} \cdot \frac{{\langle v \rangle}^2}{D} \)</td> <!-- expression -->
+      <td>\( \frac{\Delta p}{L} = f_{\mathrm{D}} \cdot \frac{\rho }{2} \cdot \frac{\langle v \rangle^2}{D} \)</td> <!-- expression -->
       <td>
         <a name="">
           <a href="https://en.wikipedia.org/wiki/Darcy%E2%80%93Weisbach_equation" title="Darcy–Weisbach equation">Darcy–Weisbach equation</a>
@@ -310,7 +310,7 @@ <H3>Expressions Central to Physics</H3>
         <UL>
           <LI>\( \Delta p \) is PDG symbol<a href="{{ url_for('list_all_symbols') }}?referrer=central_expressions#"></a>, </LI>
           <LI>\( L \) is PDG symbol<a href="{{ url_for('list_all_symbols') }}?referrer=central_expressions#"></a>, </LI>
-          <LI>\( f_\mathrm{D} \) is PDG symbol<a href="{{ url_for('list_all_symbols') }}?referrer=central_expressions#"></a>, </LI>
+          <LI>\( f_{\mathrm{D}} \) is PDG symbol<a href="{{ url_for('list_all_symbols') }}?referrer=central_expressions#"></a>, </LI>
           <LI>\( \rho \) is PDG symbol<a href="{{ url_for('list_all_symbols') }}?referrer=central_expressions#"></a>, </LI>
           <LI>\( v \) is PDG symbol<a href="{{ url_for('list_all_symbols') }}?referrer=central_expressions#"></a>, </LI>
           <LI>\( D \) is PDG symbol<a href="{{ url_for('list_all_symbols') }}?referrer=central_expressions#"></a>, </LI>